need rear tire size help

I am getting rims sizes 20 x 9 fronts and 20 x 10.5 rears. Car will be lowered 1.4 front and 1.3 rear. The front tires will be 245/35/20. I want the rear tires to match up with the fronts so should I go with 265/35/20 or 275/30/20? If not what size do you recommend?

I am getting rims sizes 20 x 9 fronts and 20 x 10.5 rears. Car will be lowered 1.4 front and 1.3 rear. The front tires will be 245/35/20. I want the rear tires to match up with the fronts so should I go with 265/35/20 or 275/30/20? If not what size do you recommend?